High pressure metal vapor lamp with outer protective envelope an

Details High pressure metal vapor lamp with outer protective envelope an High pressure metal vapor lamp with outer protective envelope an

1988-12-19

1990-03-06

DeMeo, Palmer C.

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

313113, 313554, 313559, H01J 6134, H01J 6126

Patent

active

049068873

ABSTRACT:
A high pressure metal vapor lamp including an outer protective envelope having a lens and a reflector member having a base for connecting the lamp to a source of electrical power. An elongaated arc tube is provided extending cross-axially relative to the axis of the lamp, the arc tue being supported by leads extending from the base. A pair of barium flash getters is provided extending from respective ends of the arc tube towards, and in close proximity to, the lens and facing the reflector member.

REFERENCES:
patent: 3626229 (1971-12-01), Spacil et al.
patent: 4253037 (1981-02-01), Driessen et al.
patent: 4333032 (1982-06-01), Wyner et al.
patent: 4345178 (1982-08-01), Pappas et al.
patent: 4651048 (1987-03-01), Liebe
patent: 4758759 (1988-07-01), Scholz et al.
patent: 4771207 (1988-09-01), Page

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